Sapsucker damage on pine trunk (3.114736)
Creator: Danielson, Donna
Type: Photographic image
Description:Sapsucker damage on pine trunk
Extent: 1 slide
Leafmines made by alder leafminer on European alder (Alnus glutinosa) (3.114735)
Creator: Danielson, Donna
Type: Photographic image
Description:Leafmines made by alder leafminer on European alder (Alnus glutinosa). These mines are early and made by first generation alder leafminers.
Extent: 1 slide
Nectria canker on beech (Fagus sp.) trunk (3.114734)
Type: Photographic image
Description:Nectria canker on beech (Fagus sp.) trunk
Extent: 1 slide
Nectria canker on beech (Fagus sp.) trunk (3.114733)
Type: Photographic image
Description:Nectria canker on beech (Fagus sp.) trunk
Extent: 1 slide
Fruiting bodies of Thyronectria on honey locust (Gleditsia triacanthos) branch (3.114732)
Creator: Danielson, Donna
Type: Photographic image
Description:Fruiting bodies of Thyronectria on honey locust (Gleditsia triacanthos) branch
Extent: 1 slide
Oak slug sawfly damage on leaves of pin oak (Quercus palustris) (3.114731)
Creator: Danielson, Donna
Type: Photographic image
Description:Oak slug sawfly damage on leaves of pin oak (Quercus palustris)
Extent: 1 slide
Oak slug sawfly on pin oak (Quercus palustris) leaves, bridge and other plants in background (3.114730)
Creator: Danielson, Donna
Type: Photographic image
Description:Oak slug sawfly on pin oak (Quercus palustris) leaves
Extent: 1 slide
Nipple gall on hackberry (Celtis sp.) leaves (3.114728)
Creator: Danielson, Donna
Type: Photographic image
Description:Nipple gall on hackberry (Celtis sp.) leaves
Extent: 1 slide
Winter injury on boxwood (Buxus sp.) (3.114727)
Creator: Danielson, Donna
Type: Photographic image
Description:Winter injury on boxwood (Buxus sp.)
Extent: 1 slide
Wetwood (slime flux) on American elm (Ulmus americana) (3.114726)
Creator: Danielson, Donna
Type: Photographic image
Description:Wetwood (slime flux)on American elm (Ulmus americana)
Extent: 1 slide
Oak leaf blister on oak (Quercus sp.) (3.114725)
Creator: Danielson, Donna
Type: Photographic image
Description:Oak leaf blister on oak (Quercus sp.) caused by the Taphrina fungus
Extent: 1 slide
Bacterial wetwood on elm (Ulmus americana) (3.114724)
Creator: Danielson, Donna
Type: Photographic image
Description:Bacterial wetwood (also known as slime flux) on American elm (Ulmus americana).
Extent: 1 slide
Scorch on larch needles (Larix sp.) (3.114723)
Creator: Danielson, Donna
Type: Photographic image
Description:Scorch on larch needles (Larix sp.)
Extent: 1 slide
Leaf blotch on linden leaf (Tilia sp.) caused by Didymosphaeria petrakiana fungus (3.114722)
Creator: Danielson, Donna
Type: Photographic image
Description:Leaf blotch on linden leaf (Tilia sp.) caused by Didymosphaeria petrakiana fungus
Extent: 1 slide
Leaf blotch on linden leaf (Tilia sp.) (3.114721)
Creator: Danielson, Donna
Type: Photographic image
Description:Leaf blotch on linden leaf (Tilia sp.) caused by Didymosphaeria petrakiana fungus
Extent: 1 slide
Hackberry mosaic virus on a hackberry (Celtis occidentalis) leaf (3.114720)
Creator: Danielson, Donna
Type: Photographic image
Description:Hackberry mosaic virus on a hackberry (Celtis occidentalis) leaf
Extent: 1 slide
Hackberry mosaic virus on hackberry leaf (Celtis occidentalis) (3.114719)
Creator: Danielson, Donna
Type: Photographic image
Description:Hackberry mosaic virus on hackberry leaf (Celtis occidentalis)
Extent: 1 slide
Stippling damage on wafer ash (Ptelea trifoliata) leaves caused by feeding of two-marked treehoppers (Enchenopa binotata) (3.114718)
Creator: Danielson, Donna
Type: Photographic image
Description:Stippling damage on wafer ash (Ptelea trifoliata) leaves caused by feeding of two-marked treehoppers (Enchenopa binotata)
Extent: 1 slide
Egg coverings of two-marked treehoppers (Enchenopa binotata) (3.114717)
Creator: Danielson, Donna
Type: Photographic image
Description:Egg coverings of two-marked treehoppers (Enchenopa binotata) - adult female lays eggs and covers area with protective material
Extent: 1 slide
Egg coverings of two-marked treehoppers (Enchenopa binotata) (3.114716)
Type: Photographic image
Description:Egg coverings of two-marked treehoppers (Enchenopa binotata) - eggs are inserted into branch and covered with material by insect
Extent: 1 slide
Damage on wafer ash (Ptelea trifoliata) by two-marked treehoppers (Enchenopa binotata) (3.114715)
Type: Photographic image
Description:Damage (stippling) on wafer ash (Ptelea trifoliata) by two-marked treehoppers (Enchenopa binotata)
Extent: 1 slide
Damage on wafer ash (Ptelea trifoliata) by two-marked treehoppers (Enchenopa binotata) (3.114714)
Creator: Danielson, Donna
Type: Photographic image
Description:Damage (stippling) on wafer ash (Ptelea trifoliata) by two-marked treehoppers (Enchenopa binotata)
Extent: 1 slide
Fall webworm (Hyphantria cunea) caterpillars in web on tree branch (3.114713)
Creator: Danielson, Donna
Type: Photographic image
Description:Fall webworm (Hyphantria cunea) caterpillars in web on tree branch
Extent: 1 slide
Fall webworm (Hyphantria cunea) caterpillars in web (3.114712)
Creator: Danielson, Donna
Type: Photographic image
Description:Fall webworm (Hyphantria cunea) caterpillars in web on tree branches
Extent: 1 slide
Fall webworm caterpillars (Hyphantria cunea) in web (3.114711)
Creator: Danielson, Donna
Type: Photographic image
Description:Fall webworm caterpillars (Hyphantria cunea) in web
Extent: 1 slide
Flag (dying branch) on redbud (Cercis canadensis) caused by Botryosphaeria (3.114710)
Creator: Danielson, Donna
Type: Photographic image
Description:Flag on redbud (Cercis canadensis) caused by Botryosphaeria, a flag is a dying branch
Extent: 1 slide
Flagging on redbud caused by Botryosphaeria canker (3.114709)
Creator: Danielson, Donna
Type: Photographic image
Description:Flagging (dead branch) on redbud (Cercis canadensis) caused by Botryosphaeria canker, other trees in background)
Extent: 1 slide
Dying twigs of elm tree caused by Dutch elm disease (3.114708)
Creator: Danielson, Donna
Type: Photographic image
Description:Dying twigs in canopy of elm tree caused by Dutch elm disease
Extent: 1 slide
Flag on redbud (Cercis canadensis) caused by Botryosphaeria canker (3.114707)
Creator: Danielson, Donna
Type: Photographic image
Description:Flag on redbud (Cercis canadensis) caused by Botryosphaeria canker, dying branch caused by disease
Extent: 1 slide
Two marked treehopper adults and egg coverings on Ptelea (3.114706)
Creator: Danielson, Donna
Type: Photographic image
Description:Two marked treehopper adults and egg coverings on Ptelea (wafer ash), insects on underside of twig, egg coverings on top of twig
Extent: 1 slide
Red oak with oak wilt (3.114705)
Creator: Danielson, Donna
Type: Photographic image
Description:Red oak (Quercus rubra) with oak wilt - canopy with dying branches
Extent: 1 slide
Fagus (beech) with Nectria (3.114704)
Creator: Danielson, Donna
Type: Photographic image
Description:Fagus (beech) with Nectria - dying tree with other plants in background
Extent: 1 slide
Nectria on Fagus (3.114703)
Creator: Danielson, Donna
Type: Photographic image
Description:Nectria canker on beech (Fagus), orange fruiting bodies on trunk
Extent: 1 slide
Nectria canker on Fagus (beech) (3.114702)
Creator: Danielson, Donna
Type: Photographic image
Description:Nectria canker on Fagus (beech), orange fruiting bodies on trunk
Extent: 1 slide
Nectria on beech (Fagus) (3.114701)
Creator: Danielson, Donna
Type: Photographic image
Description:Nectria on beech (Fagus), orange fruiting bodies on bark
Extent: 1 slide
Hummingbird moth on Buddleia (3.114700)
Creator: Danielson, Donna
Type: Photographic image
Description:Hummingbird moth on Buddleia (butterfly bush) flowers, moth pollinating flowers
Extent: 1 slide